The historic 13th Ntaional Convention of the Nepali Congress has opened at the capital's Khula Manch amidst a grand ceremony today. The slogan of the13th national convention is - Constitution Under Sushil's leadership, Now Our Campaign is to Build Prosperous Nation. The national convention of the country's oldest party has started about one and half years behind schedule. The 12th national convention was also held in the capital on September 17-21, 2010. Party's acting president Ram Chandra Poudel inaugurated the 13th National Convention by lighting the traditional Panas lamp. The NC has the tradition of the party president inaugurating the national congress. Artistes of the Nepal Cultural Association presented a variety of cultural programmes before the inauguration. The four-day national convention will elect the party president, general secretary, treasurer and 64 members to the central committee. The nomination for the party new leadership has started from today alone. The remaining members on the 85-member central working committee would be nominated by the party president as per the NC's statute.